CNN CNN Saturday Morning March 8, 2014 15:59:00
This program is aimed at building a clock that wouldn't lose a second for a billion years. >> i don't care what your watch is saying. my says they should have gone three minutes ago. >> reporter: synchronizing time has always been vital for soldiers but now it's more important than ever. >> you've got all of these high-speed aircraft, you have precision-guided ammunitions, cameraing and sensors and radars all operating simultaneously. you have to do that skroinkization much more prec e precise precisely. >> reporter: so if gps goes down, troops will face new dangers. >> if you were to lose a c...
Source: archive.org